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Marden, M. (1949) Geometry of the Zeros of Polynomials in a Complex Variable. Math. Surveys, No.3. Amer. Math. Soc., Providence, R.I.

has been cited by the following article:

• TITLE: Some Inequalities on Polar Derivative of Polynomial Having No Zero in a Disc

  AUTHORS: Barchand Chanam

  KEYWORDS: Polynomials, Inequalities, Polar Derivative of a Polynomial, Zeros

  JOURNAL NAME: Advances in Pure Mathematics, Vol.5 No.13, November 17, 2015

  ABSTRACT: Let , , be a polynomial of degree n having no zero in , , then Qazi [Proc. Amer. Math. Soc., 115 (1992), 337-343] proved . In this paper, we first extend the above inequality to polar derivative of a polynomial. Further, as an application of our result, we extend a result due to Dewan et al. [Southeast Asian Bull. Math., 27 (2003), 591-597] to polar derivative.